| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [verb] [noun] | 1781 |
|
| 2 | [is] often [vb pp] [verb] | 118 |
|
| 3 | often [vb pp] [verb] [noun] | 76 |
|
| 4 | [is] often [verb] [noun] | 24 |
|
| 5 | [is] often [vb pp] [noun] | 22 |
|
